139,000
139,000 is a composite number, even.
139,000 (one hundred thirty-nine thousand) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2³ × 5³ × 139. Its proper divisors sum to 188,600, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x21EF8.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 13
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 931
- Recamán's sequence
- a(490,827) = 139,000
- Square (n²)
- 19,321,000,000
- Cube (n³)
- 2,685,619,000,000,000
- Divisor count
- 32
- σ(n) — sum of divisors
- 327,600
- φ(n) — Euler's totient
- 55,200
- Sum of prime factors
- 160
Primality
Prime factorization: 2 3 × 5 3 × 139
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√139,000 = [372; (1, 4, 1, 3, 1, 1, 2, 1, 2, 30, 1, 2, 2, 1, 8, 5, 1, 1, 1, 82, 4, 1, 12, 1, …)]
Representations
- In words
- one hundred thirty-nine thousand
- Ordinal
- 139000th
- Binary
- 100001111011111000
- Octal
- 417370
- Hexadecimal
- 0x21EF8
- Base64
- Ah74
- One's complement
- 4,294,828,295 (32-bit)
- Scientific notation
- 1.39 × 10⁵
- As a duration
- 139,000 s = 1 day, 14 hours, 36 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼
- Greek (Milesian)
- ͵ρλθ
- Mayan (base 20)
- 𝋱·𝋧·𝋪·𝋠
- Chinese
- 一十三萬九千
- Chinese (financial)
- 壹拾參萬玖仟
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 139000, here are decompositions:
- 23 + 138977 = 139000
- 41 + 138959 = 139000
- 83 + 138917 = 139000
- 101 + 138899 = 139000
- 107 + 138893 = 139000
- 131 + 138869 = 139000
- 137 + 138863 = 139000
- 179 + 138821 = 139000
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 BB B8 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.30.248.
- Address
- 0.2.30.248
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.30.248
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 139,000 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 139000 first appears in π at position 193,414 of the decimal expansion (the 193,414ordinal-suffix:th digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.
Related reading
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.